31400401104331 has 8 divisors (see below), whose sum is σ = 36494412906240. Its totient is φ = 26458449356328.

The previous prime is 31400401104287. The next prime is 31400401104353. The reversal of 31400401104331 is 13340110400413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31400401104331 - 2¹¹ = 31400401102283 is a prime.

It is a super-2 number, since 2×31400401104331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31400401104296 and 31400401104305.

It is not an unprimeable number, because it can be changed into a prime (31400401104131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38015013031 + ... + 38015013856.

It is an arithmetic number, because the mean of its divisors is an integer number (4561801613280).

Almost surely, 2^{31400401104331} is an apocalyptic number.

31400401104331 is a deficient number, since it is larger than the sum of its proper divisors (5094011801909).

31400401104331 is an equidigital number, since it uses as much as digits as its factorization.

31400401104331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76030026953.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31400401104331 its reverse (13340110400413), we get a palindrome (44740511504744).

The spelling of 31400401104331 in words is "thirty-one trillion, four hundred billion, four hundred one million, one hundred four thousand, three hundred thirty-one".